![Isotech Gemini 4857 [4857/550-BASIC] Fixed Dry Block Calibrator 35 to 550°C](image/cache/wp/gj/Products/Isotech_4857-BASIC-800x800.webp "Isotech Gemini 4857 [4857/550-BASIC] Fixed Dry Block Calibrator 35 to 550°C")
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